Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments under operating leases

Future minimum lease payments under operating leases at December 31, 2012 are as follows (in thousands):

Year ending December 31,	Minimum Lease Payments
2013	$	1,596
2014	1,221
2015	1,107
2016	1,010
2017	857
Thereafter	4,147
Total	$	9,938